초록 ▼

An abnormality detecting apparatus constantly monitors even a slight amount of gas which has leaked by checking a gas supply pipe when it is determined that the pressure regulating function of a pressure regulator is abnormal. The abnormality detecting apparatus detects an abnormality of the regulat

An abnormality detecting apparatus constantly monitors even a slight amount of gas which has leaked by checking a gas supply pipe when it is determined that the pressure regulating function of a pressure regulator is abnormal. The abnormality detecting apparatus detects an abnormality of the regulated pressure of a pressure regulator appropriately by comparing the regulated pressure with a predetermined low value of a pressure regulating range when the gas flow rate is high and with a predetermined high value of a pressure regulating range when the gas flow rate is low.

대표청구항 ▼

An abnormality detecting apparatus comprising: a pressure sensor, disposed downstream of a gas pressure regulator, for detecting a gas pressure of a gas supply equipment; a flow rate detector, said flow rate detector detecting a flow rate of gas flowing through the gas supply equipment; a first time

An abnormality detecting apparatus comprising: a pressure sensor, disposed downstream of a gas pressure regulator, for detecting a gas pressure of a gas supply equipment; a flow rate detector, said flow rate detector detecting a flow rate of gas flowing through the gas supply equipment; a first timer which operates on receipt of a signal outputted from the flow rate detector when the gas is turned off; a cutoff pressure memory, said cutoff pressure memory storing a signal outputted from the pressure sensor; a cutoff pressure normality/abnormality deciding unit, said deciding unit comparing a pressure stored in the cutoff pressure memory with a predetermined first pressure based on a signal outputted from the first timer; a gas pressure comparator, said gas pressure comparator comparing the value of a signal outputted from the pressure sensor with a cutoff pressure reference value stored on said cutoff pressure memory based on a signal outputted from the first timer if the cutoff pressure normality/abnormality deciding unit decides that a cutoff pressure is abnormal; and an alarm generator, said alarm generator outputting a signal indicating abnormality alarm, abnormality information, abnormality indication, and/or cutoff of a gas passage on receipt of a signal outputted from the gas pressure comparator.